C2221333133313331311233132313331333133313331322231333132313311213233231   >>    C222133313331333131123313231333133313331333132223133313231331121323323   <<    C2221333133313331311233132313331333133313331322231333132313311213233233   >>      C2221333133313331311233132313331333133313331322231333132313311213233232   >>